US 2002/0177861 A1 · Clip device of endoscope

Abstract

A forceps of endoscope comprises a clip that is provided with at least three arms and a base end portion. The arms are connected to the base end portion. Each of the arms has an open-close deforming portion located close to the base end portion. A core member is provided inside the clip to be in contact with an inner surface of the open-close deforming portion at least when the arms are open. A clip open-close ring is operated by remote control performed from the base end of the sheath. The clip open-close member is engaged with the open-close deforming portion to open and close the arms with a substantially equivalent angular interval and so as to prevent each of the arms from crossing each other.

Claims59

Dependent claims

A clip device of an endoscope, comprising:

a clip that is provided with at least three arms and a base end portion to which said arms are connected, each of said arms having an open-close deforming portion located close to said base end portion, said clip being inserted in a sheath, in a state in which said arms are closed, and positioned at a distal end of said sheath;
a core member that is provided inside said clip to be in contact with an inner surface of said open-close deforming portion at least when said arms are open;
and
an open-close member that is operated by remote control performed from the base end of said sheath, which is opposite to said distal end, said open-close member being engaged with said open-close deforming portion to open and close said arms with a substantially equivalent angular interval and so as to prevent each of said arms from crossing each other.

1 more element

Dependencies are inferred from the claim text.

Clip device of endoscope

Life of this patent

Clip device of endoscope

Life of this patent

Abstract

Claims59